/Engine/Plugins/Runtime/XRBase/Source/XRBase/Public/MotionTrackedDeviceFunctionLibrary.h
Queries the specified source's tracking status and returns true if it has tracking.
Tracking status of the specified controller.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Input|MotionTracking") static bool IsMotionSourceTracking ( int32 PlayerIndex, [FName](API\Runtime\Core\UObject\FName) SourceName )